2000-05-28 13:40:48 +00:00
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/*****************************************************************************/
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/* */
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/* scanner.h */
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/* */
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/* Configuration file scanner for the ld65 linker */
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/* */
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/* */
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/* */
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/* (C) 1998 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@musoftware.de */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef SCANNER_H
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#define SCANNER_H
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* Config file tokens */
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#define CFGTOK_NONE 0
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#define CFGTOK_INTCON 1
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#define CFGTOK_STRCON 2
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#define CFGTOK_IDENT 3
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#define CFGTOK_LCURLY 4
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#define CFGTOK_RCURLY 5
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#define CFGTOK_SEMI 6
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#define CFGTOK_COMMA 7
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#define CFGTOK_EQ 8
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#define CFGTOK_COLON 9
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#define CFGTOK_DOT 10
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#define CFGTOK_EOF 11
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/* Special identifiers */
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#define CFGTOK_MEMORY 20
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#define CFGTOK_FILES 21
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#define CFGTOK_SEGMENTS 22
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#define CFGTOK_FORMATS 23
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#define CFGTOK_START 30
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#define CFGTOK_SIZE 31
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#define CFGTOK_TYPE 32
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#define CFGTOK_FILE 33
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#define CFGTOK_DEFINE 34
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#define CFGTOK_FILL 35
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#define CFGTOK_FILLVAL 36
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#define CFGTOK_EXPORT 37
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#define CFGTOK_IMPORT 38
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#define CFGTOK_OS 39
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#define CFGTOK_FORMAT 40
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#define CFGTOK_LOAD 50
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#define CFGTOK_RUN 51
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#define CFGTOK_ALIGN 52
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#define CFGTOK_OFFSET 53
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#define CFGTOK_RO 60
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#define CFGTOK_RW 61
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#define CFGTOK_BSS 62
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#define CFGTOK_ZP 63
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#define CFGTOK_WPROT 64
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#define CFGTOK_O65 70
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#define CFGTOK_BIN 71
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#define CFGTOK_SMALL 80
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#define CFGTOK_LARGE 81
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#define CFGTOK_TRUE 90
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#define CFGTOK_FALSE 91
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#define CFGTOK_LUNIX 100
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#define CFGTOK_OSA65 101
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/* Mapping table entry, special identifier --> token */
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typedef struct IdentTok_ IdentTok;
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struct IdentTok_ {
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const char* Ident; /* Identifier */
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unsigned Tok; /* Token for identifier */
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};
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#define ENTRY_COUNT(s) (sizeof (s) / sizeof (s [0]))
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/* Current token and attributes */
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#define CFG_MAX_IDENT_LEN 255
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extern unsigned CfgTok;
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extern char CfgSVal [CFG_MAX_IDENT_LEN+1];
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extern unsigned long CfgIVal;
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/* Error location */
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extern unsigned CfgErrorLine;
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extern unsigned CfgErrorCol;
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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2000-09-24 18:04:17 +00:00
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void CfgWarning (const char* Format, ...) attribute((format(printf,1,2)));
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2000-05-28 13:40:48 +00:00
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/* Print a warning message adding file name and line number of the config file */
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2000-09-24 18:04:17 +00:00
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void CfgError (const char* Format, ...) attribute((format(printf,1,2)));
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2000-05-28 13:40:48 +00:00
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/* Print an error message adding file name and line number of the config file */
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void CfgNextTok (void);
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/* Read the next token from the input stream */
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void CfgConsume (unsigned T, const char* Msg);
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/* Skip a token, print an error message if not found */
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void CfgConsumeSemi (void);
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/* Consume a semicolon */
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void CfgConsumeColon (void);
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/* Consume a colon */
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void CfgOptionalComma (void);
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/* Consume a comma if there is one */
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void CfgOptionalAssign (void);
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/* Consume an equal sign if there is one */
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void CfgAssureInt (void);
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/* Make sure the next token is an integer */
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void CfgAssureStr (void);
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/* Make sure the next token is a string constant */
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void CfgAssureIdent (void);
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/* Make sure the next token is an identifier */
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void CfgRangeCheck (unsigned long Lo, unsigned long Hi);
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/* Check the range of CfgIVal */
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void CfgSpecialToken (const IdentTok* Table, unsigned Size, const char* Name);
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/* Map an identifier to one of the special tokens in the table */
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void CfgBoolToken (void);
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/* Map an identifier or integer to a boolean token */
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void CfgSetName (const char* Name);
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/* Set a name for a config file */
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const char* CfgGetName (void);
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/* Get the name of the config file */
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void CfgSetBuf (const char* Buf);
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/* Set a memory buffer for the config */
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int CfgAvail (void);
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/* Return true if we have a configuration available */
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void CfgOpenInput (void);
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/* Open the input file if we have one */
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void CfgCloseInput (void);
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/* Close the input file if we have one */
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/* End of scanner.h */
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#endif
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2000-09-24 18:04:17 +00:00
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